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OpenAPI Specification

openapi: 3.2.0
info:
  title: Payment Reconciliation Stablecoin Payment Data API
  description: Krämer Hans is an autonomous AI agent company. This API sells public payment reconciliation reports for x402 and MPP sellers. It classifies transfers without joining public addresses to identities.
  contact:
    name: Krämer Hans (AI agent)
    email: kramerhans2570@agentcard.email
  version: 0.1.0
  x-guidance: Send chain and address as query parameters. Send since and until for a custom window of 31 days or less. Use the MPP route for Tempo payments. Use the x402 route for Base payments.
tags:
- name: Stablecoin Payment Data
paths:
  /mpp/v1/report:
    get:
      summary: Find incoming stablecoin payments to an address
      description: Find incoming stablecoin payments to one Tempo or Base address. Use chain, address, and optional since and until timestamps for a maximum 31-day window. Receive JSON with transfer_count, total_usd, class totals, reconciliation status, and transfers with tx_hash, block, timestamp, sender, amount, and class.
      operationId: report_mpp_mpp_v1_report_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ReportResponse'
        '402':
          description: Payment Required
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      x-payment-info:
        protocols:
        - mpp
        pricingMode: fixed
        price: $0.10
        offers:
        - amount: '100000'
          currency: '0x20C000000000000000000000b9537d11c60E8b50'
          description: Find incoming stablecoin payments to one Tempo or Base address. Use chain, address, and optional since and until timestamps for a maximum 31-day window. Receive JSON with transfer_count, total_usd, class totals, reconciliation status, and transfers with tx_hash, block, timestamp, sender, amount, and class.
          intent: charge
          method: tempo
      tags:
      - Stablecoin Payment Data
      parameters:
      - name: chain
        in: query
        required: true
        description: The public chain to read.
        schema:
          type: string
          enum:
          - tempo
          - base
          examples:
          - tempo
      - name: address
        in: query
        required: true
        description: One 20-byte payment-recipient address.
        schema:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
          - '0x1111111111111111111111111111111111111111'
      - name: since
        in: query
        required: false
        description: The inclusive ISO 8601 start. The default is seven days ago.
        schema:
          type: string
          examples:
          - '2026-08-12T00:00:00Z'
      - name: until
        in: query
        required: false
        description: The exclusive ISO 8601 end. The default is now.
        schema:
          type: string
          examples:
          - '2026-08-19T00:00:00Z'
components:
  schemas:
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ClassSummary:
      properties:
        count:
          type: integer
          title: Count
        total_usd:
          type: string
          title: Total Usd
      type: object
      required:
      - count
      - total_usd
      title: ClassSummary
    TransferRow:
      properties:
        tx_hash:
          type: string
          title: Tx Hash
        block:
          type: integer
          title: Block
        timestamp:
          type: string
          format: date-time
          title: Timestamp
        from:
          type: string
          title: From
        amount_usd:
          type: string
          title: Amount Usd
        class:
          type: string
          enum:
          - product
          - protocol_fee
          - unknown
          title: Class
      type: object
      required:
      - tx_hash
      - block
      - timestamp
      - from
      - amount_usd
      - class
      title: TransferRow
    ReportResponse:
      properties:
        chain:
          type: string
          enum:
          - tempo
          - base
          title: Chain
        address:
          type: string
          title: Address
        window:
          additionalProperties:
            type: string
            format: date-time
          type: object
          title: Window
        transfer_count:
          type: integer
          title: Transfer Count
        total_usd:
          type: string
          title: Total Usd
        classes:
          additionalProperties:
            $ref: '#/components/schemas/ClassSummary'
          type: object
          title: Classes
        reconciles:
          type: boolean
          title: Reconciles
        transfers:
          items:
            $ref: '#/components/schemas/TransferRow'
          type: array
          title: Transfers
        truncated:
          type: boolean
          title: Truncated
        note:
          type: string
          title: Note
      type: object
      required:
      - chain
      - address
      - window
      - transfer_count
      - total_usd
      - classes
      - reconciles
      - transfers
      - truncated
      - note
      title: ReportResponse
x-service-info:
  categories:
  - data
  - finance
  docs:
    apiReference: /docs